220176981

素因数分解:

$3^3\times {\mathrm{179}}^1\times {\mathrm{45557}}^1$

素因数の和:45745

約数の個数: 16

約数和(自身を含む): 328017600

約数和(自身を除く): 107840619

約数列:

[1, 3, 9, 27, 179, 537, 1611, 4833, 45557, 136671, 410013, 1230039, 8154703, 24464109, 73392327, 220176981]

約数ペア:

[(1, 220176981), (3, 73392327), (9, 24464109), (27, 8154703), (179, 1230039), (537, 410013), (1611, 136671), (4833, 45557)]